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Finding the Fourth Proportional to 904,056, 1,356,039.90 and 335,547.72

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Solution

The fourth proportional to 904,056, 1,356,039.90 and 335,547.72 is: 503,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,056 : 1,356,039.90 = 335,547.72 : x
  2. Step 2: Convert to fraction form
    904,056/1,356,039.90 = 335,547.72/x
  3. Step 3: Cross multiply
    904,056x = 1,356,039.90 × 335,547.72
  4. Step 4: Simplify right side
    904,056x = 455,016,096,674.03
  5. Step 5: Solve for x
    x = 455,016,096,674.03/904,056
  6. Step 6: Final answer
    x = 503,305.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.